ICU-400.37.tar.gz

[apple/icu.git] / icuSources / layoutex / playout.cpp

diff --git a/icuSources/layoutex/playout.cpp b/icuSources/layoutex/playout.cpp
new file mode 100644 (file)
index 0000000..f1c167e
--- /dev/null
+++ b/icuSources/layoutex/playout.cpp
@@ -0,0 +1,330 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
+ *
+ */
+
+/*
+ * paragraphLayout doesn't make much sense without
+ * BreakIterator...
+ */
+#include "layout/LETypes.h"
+#include "layout/loengine.h"
+#include "layout/plruns.h"
+#include "layout/playout.h"
+
+#include "unicode/locid.h"
+
+#include "layout/LayoutEngine.h"
+#include "layout/ParagraphLayout.h"
+
+#if ! UCONFIG_NO_BREAK_ITERATION
+
+U_NAMESPACE_USE
+
+U_CAPI pl_paragraph * U_EXPORT2
+pl_create(const LEUnicode chars[],
+          le_int32 count,
+          const pl_fontRuns *fontRuns,
+          const pl_valueRuns *levelRuns,
+          const pl_valueRuns *scriptRuns,
+          const pl_localeRuns *localeRuns,
+          UBiDiLevel paragraphLevel,
+          le_bool vertical,
+          LEErrorCode *status)
+{
+    ParagraphLayout *pl = new ParagraphLayout(chars, count, (const FontRuns *) fontRuns,
+        (const ValueRuns *) levelRuns, (const ValueRuns *) scriptRuns, (const LocaleRuns *) localeRuns,
+        paragraphLevel, vertical, *status);
+
+    return (pl_paragraph *) pl;
+}
+
+U_CAPI void U_EXPORT2
+pl_close(pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    delete pl;
+}
+
+U_CAPI le_bool U_EXPORT2
+pl_isComplex(const LEUnicode chars[],
+             le_int32 count)
+{
+    return ParagraphLayout::isComplex(chars, count);
+}
+
+U_CAPI UBiDiLevel U_EXPORT2
+pl_getParagraphLevel(pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return 0;
+    }
+
+    return pl->getParagraphLevel();
+}
+
+U_CAPI UBiDiDirection U_EXPORT2
+pl_getTextDirection(pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return UBIDI_LTR;
+    }
+
+    return pl->getTextDirection();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getAscent(const pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return 0;
+    }
+
+    return pl->getAscent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getDescent(const pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return 0;
+    }
+
+    return pl->getDescent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getLeading(const pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return 0;
+    }
+
+    return pl->getLeading();
+}
+
+U_CAPI void U_EXPORT2
+pl_reflow(pl_paragraph *paragraph)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return;
+    }
+
+    return pl->reflow();
+}
+
+U_CAPI pl_line * U_EXPORT2
+pl_nextLine(pl_paragraph *paragraph, float width)
+{
+    ParagraphLayout *pl = (ParagraphLayout *) paragraph;
+
+    if (pl == NULL) {
+        return NULL;
+    }
+
+    return (pl_line *) pl->nextLine(width);
+}
+
+U_CAPI void U_EXPORT2
+pl_closeLine(pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    delete ll;
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_countLineRuns(const pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return ll->countRuns();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getLineAscent(const pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return ll->getAscent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getLineDescent(const pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return ll->getDescent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getLineLeading(const pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return ll->getLeading();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getLineWidth(const pl_line *line)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return ll->getWidth();
+}
+
+U_CAPI const pl_visualRun * U_EXPORT2
+pl_getLineVisualRun(const pl_line *line, le_int32 runIndex)
+{
+    ParagraphLayout::Line *ll = (ParagraphLayout::Line *) line;
+
+    if (ll == NULL) {
+        return 0;
+    }
+
+    return (pl_visualRun *) ll->getVisualRun(runIndex);
+}
+
+U_CAPI const le_font * U_EXPORT2
+pl_getVisualRunFont(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return NULL;
+    }
+
+    return (const le_font *) vr->getFont();
+}
+
+U_CAPI UBiDiDirection U_EXPORT2
+pl_getVisualRunDirection(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return UBIDI_LTR;
+    }
+
+    return vr->getDirection();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getVisualRunGlyphCount(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return -1;
+    }
+
+    return vr->getGlyphCount();
+}
+
+U_CAPI const LEGlyphID * U_EXPORT2
+pl_getVisualRunGlyphs(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return NULL;
+    }
+
+    return vr->getGlyphs();
+}
+
+U_CAPI const float * U_EXPORT2
+pl_getVisualRunPositions(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return NULL;
+    }
+
+    return vr->getPositions();
+}
+
+U_CAPI const le_int32 * U_EXPORT2
+pl_getVisualRunGlyphToCharMap(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return NULL;
+    }
+
+    return vr->getGlyphToCharMap();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getVisualRunAscent(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return 0;
+    }
+
+    return vr->getAscent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getVisualRunDescent(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return 0;
+    }
+
+    return vr->getDescent();
+}
+
+U_CAPI le_int32 U_EXPORT2
+pl_getVisualRunLeading(const pl_visualRun *run)
+{
+    ParagraphLayout::VisualRun *vr = (ParagraphLayout::VisualRun *) run;
+
+    if (vr == NULL) {
+        return 0;
+    }
+
+    return vr->getLeading();
+}
+
+#endif